Weather on December 13
Rockford, IL
55 Years of Data
Avg High
34°F
Avg Low
20°F
Warmest
2015
57°F avg
Coldest
1985
-1°F avg
About This Date
December 13th in Rockford, IL typically brings cold winter weather, with average highs around 34°F and lows near 20°F. Over 55 years of records, the warmest December 13th was in 2015 (57°F average), while the coldest was 1985 (-1°F) — a 58°F range across recorded history. Precipitation has occurred on 27% of recorded December 13th dates, with snow falling 9% of the time (heaviest snowfall: 6.6"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 13th in Rockford, IL? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 17° | -1° | 8° | — | — |
| 2024 | 25° | 3° | 14° | — | — |
| 2023 | 41° | 15° | 28° | — | — |
| 2022 | 38° | 33° | 35° | 0.41" | — |
| 2021 | 50° | 27° | 39° | — | — |
| 2020 | 34° | 20° | 27° | — | — |
| 2019 | 42° | 27° | 35° | — | — |
| 2018 | 42° | 19° | 31° | 0.05" | — |
| 2017 | 37° | 22° | 30° | — | — |
| 2016 | 15° | -2° | 7° | — | — |
| 2015warmest | 62° | 52° | 57° | 3.58" | — |
| 2014 | 45° | 32° | 38° | — | — |
| 2013 | 29° | 8° | 19° | — | — |
| 2012 | 48° | 28° | 38° | — | — |
| 2011 | 44° | 36° | 40° | 0.2" | — |
| 2010 | 14° | 4° | 9° | — | — |
| 2009 | 36° | 32° | 34° | — | — |
| 2008 | 38° | 20° | 29° | 0.15" | — |
| 2007 | 31° | 25° | 28° | — | — |
| 2006 | 44° | 32° | 38° | — | — |
| 2005 | 27° | 22° | 24° | — | — |
| 2004 | 29° | 16° | 22° | — | — |
| 2003 | 28° | 9° | 18° | 0.08" | 0.8" |
| 2002 | 43° | 33° | 38° | — | — |
| 2001 | 45° | 29° | 37° | 0.03" | — |
| 2000 | 14° | -13° | 1° | 0.58" | 3.9" |
| 1999 | 39° | 24° | 32° | — | — |
| 1998 | 46° | 22° | 34° | — | — |
| 1997 | 32° | 17° | 25° | — | — |
| 1996 | 37° | 25° | 31° | — | — |
| 1995 | 35° | 17° | 26° | 0.15" | — |
| 1994 | 21° | 8° | 15° | — | — |
| 1993 | 41° | 34° | 37° | 0.03" | — |
| 1992 | 35° | 31° | 33° | — | — |
| 1991 | 40° | 27° | 33° | — | — |
| 1990 | 33° | 18° | 25° | — | — |
| 1989 | 17° | 5° | 11° | 0.25" | 1.9" |
| 1988 | 42° | 31° | 36° | — | — |
| 1987 | 36° | 25° | 30° | — | — |
| 1986 | 24° | -2° | 11° | — | — |
| 1985coldest | 5° | -8° | -1° | — | — |
| 1984 | 36° | 33° | 34° | 0.58" | 1.5" |
| 1983 | 34° | 29° | 31° | — | — |
| 1982 | 37° | 16° | 26° | — | — |
| 1981 | 36° | 29° | 32° | — | — |
| 1980 | 37° | 22° | 29° | — | — |
| 1979 | 31° | 14° | 22° | — | — |
| 1978 | 33° | 19° | 26° | — | — |
| 1977 | 36° | 32° | 34° | — | — |
| 1976 | 18° | -8° | 5° | — | — |
| 1975 | 57° | 35° | 46° | 1.57" | — |
| 1974 | 34° | 30° | 32° | 0.03" | — |
| 1973 | 37° | 18° | 27° | 1.63" | 6.6" |
| 1972 | 20° | 3° | 11° | — | — |
| 1971 | 33° | 16° | 24° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP